.tab_header {
    background-color: #fff;
    height: 40px;
    margin: 10px;
    border-top: 5px solid #e6eaec;
    line-height: 40px;
    font-size: 14px;
  }
  .tab_main {
    margin: 10px;
    background-color: #fff;
    /* height: calc(100vh - 75px); */
    
    padding: 0px 10px 10px 10px;
  }
  .tab_footer{
      /* height: calc(100vh - 240px); */
      margin-top: 10px;
  }
  .tab_page{
      text-align: center;
      margin-top: 10px;
  }